New in paperback. Hardcover was published in 2008. This collection in honor of Susan M. Gass focuses on interaction in second language acquisition from multiple perspectives. It includes contributions from many international experts in the field of SLA, providing new insights, explanations, discussion, and suggestions for further research. The goal of this collection is to provide an enriching discussion of how the interaction research tradition is viewed in a range of different approaches to learning and teaching second languages.